Spitfire Formula Four 99D Blue/Yellow Swirl Radial Skateboard Wheels Stomp Pads durable urethane is a tested

durable urethane is a tested formula developed over the span of two years

The rail is deep black and impresses with its detailed realization

This product has NOT been tested under ASTM

Manufactured using a 100% pure urethane compound

Spitfire Formula Four 99D Blue/Yellow Swirl Radial Skateboard Wheels Stomp Pads durable urethane is a testedSpitfire Formula Four 99D Blue Yellow Swirl Radial Skateboard WheelsTested by Spitfire Team riders, Formula Four Performance Urethanelasted longer, withstood more abuse and performed superior to all other wheels. Spitfire Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another. Formula Four's True lasting Performance Urethane comes not from a